Motorola MVME2400 - Manual (Page 60)

3-12 Computer Group Literature Center Web Site
Functional Description
3
Assumptions
Certain assumptions have been made with regard to MVME2400
performance. Somethings which are assumed in making the
aforementioned tables include the following:
Table 3-7. PCI Originated Bandwidth Matrix
Transaction
First 2
Cache Lines
First 4
Cache Lines
First 6
Cache Lines
Continuous
Clock
Ratio
Clks
MBytes
sec
Clks
MBytes
sec
Clks
MBytes
sec
Clks/
Line
MBytes
sec
64-bit Writes 10 213 18 237 26 246 4 266 5:2
64-bit Reads 16 133 24 178 32 200 4 266
32-bit Writes 18 118 34 125 50 128 8 133
32-bit Reads 24 89 40 107 56 114 8 133
64-bit Writes 10 427 18 474 26 492 4 533 3:2
64-bit Reads 19 225 27 316 37 346 4 533
32-bit Writes 18 237 34 251 50 256 8 267
32-bit Reads 28 152 44 194 60 213 8 267
64-bit Writes 10 213 18 237 26 246 4 266 3:1
64-bit Reads 16 133 24 178 32 200 4 266
32-bit Writes 18 118 34 125 50 128 8 133
32-bit Reads 24 89 40 107 56 114 8 133
64-bit Writes 10 213 18 237 26 246 4 266 2:1
64-bit Reads 18 118 26 164 34 188 4 266
32-bit Writes 18 118 34 125 50 128 8 133
32-bit Reads 26 82 42 102 58 110 8 133
64-bit Writes 10 427 18 474 30 427 5 427 1:1
64-bit Reads 23 186 34 251 46 278 5.5 388
32-bit Writes 18 237 34 251 50 256 8 267
32-bit Reads 31 138 47 182 63 203 8 267